2025-07-03_REVISION - M1979103

• Permit No: M1979103
• IBM Index Class Name: Revision
• Doc Date: 7/3/2025
• Doc Name: Request For Succession Of Operator
• From: Oldcastle SW Group, Inc dba United Companies
• To: DRMS
• Type & Sequence: SO6
• Email Name: ACY
• Email Name: THM
• Email Name: SMS
• Email Name: EL1
• Media Type: D
• Archive: No

Parameter descriptor: XL XR R
Range of variation: 50.00 25.00 10.00
Trial positions within range: 10 10 10
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RESULTS:Analysis 1 -Reclaimed Condition
Bishop Simplified Method of Analysis-Circular Failure Surface
Critical Failure Surface Search using Multiple Circle Generation Techniques
Factor of Safety for initial failure surface approximation: 2.991
There were:666 successful analyses from a total of 1001 trial surfaces
335 analyses terminated due to unacceptable geometry
Critical(minimum)Factor of Safety: 2.95
Results Summary-Lowest 99 Factor of Safety circles
Circle X-Left Y-Left X-Right Y-Right X-Centre Y-Centre Radius FoS
1 103.08 6598.97 130.90 6589.70 165.78 6740.72 155.00 2.949 <--Critical Surface
2 103.08 6598.97 130.90 6589.70 165.43 6739.67 153.89 2.950
3 103.08 6598.97 130.90 6589.70 165.08 6738.61 152.78 2.950
4 103.08 6598.97 130.90 6589.70 164.72 6737.55 151.67 2.951
5 103.08 6598.97 130.90 6589.70 164.37 6736.49 150.56 2.951
6 103.08 6598.97 130.90 6589.70 164.02 6735.43 149.44 2.952
7 103.08 6598.97 130.90 6589.70 163.67 6734.37 148.33 2.952
8 103.08 6598.97 130.90 6589.70 163.31 6733.31 147.22 2.952
9 103.08 6598.97 130.90 6589.70 162.96 6732.25 146.11 2.953
10 103.08 6598.97 130.90 6589.70 162.61 6731.19 145.00 2.953
11 97.52 6600.00 130.90 6589.70 159.62 6742.02 155.00 2.957
12 97.52 6600.00 130.90 6589.70 159.29 6740.95 153.89 2.958
13 97.52 6600.00 130.90 6589.70 158.96 6739.88 152.78 2.959
14 97.52 6600.00 130.90 6589.70 158.63 6738.81 151.67 2.960
15 97.52 6600.00 130.90 6589.70 158.30 6737.74 150.56 2.961
16 97.52 6600.00 130.90 6589.70 157.97 6736.67 149.44 2.962
17 97.52 6600.00 130.90 6589.70 157.64 6735.60 148.33 2.963
18 97.52 6600.00 130.90 6589.70 157.31 6734.53 147.22 2.964
19 97.52 6600.00 130.90 6589.70 156.98 6733.46 146.11 2.965
20 103.08 6598.97 133.68 6588.77 167.13 6740.12 155.00 2.966
21 103.08 6598.97 133.68 6588.77 166.77 6739.06 153.89 2.966
22 97.52 6600.00 130.90 6589.70 156.65 6732.39 145.00 2.966
23 103.08 6598.97 133.68 6588.77 166.42 6738.00 152.78 2.966
24 103.08 6598.97 133.68 6588.77 166.07 6736.94 151.67 2.967
25 103.08 6598.97 133.68 6588.77 165.71 6735.88 150.56 2.967
26 103.08 6598.97 133.68 6588.77 165.36 6734.82 149.44 2.968
27 103.08 6598.97 133.68 6588.77 165.01 6733.76 148.33 2.968
28 103.08 6598.97 133.68 6588.77 164.65 6732.70 147.22 2.969
29 103.08 6598.97 133.68 6588.77 164.30 6731.64 146.11 2.969
30 103.08 6598.97 133.68 6588.77 163.95 6730.58 145.00 2.970